Glowworm Flow Sensor 2000801910. Part No.2000801910. Superseded Part No. 801910. Glow-worm Xtramax HE (GC No. 47-047-29). Glow-worm 24 CXI (GC No. 47-047-23). Glow-worm 30 CXI (GC No. 47-047-24). Glow-worm 38 CXI (GC No. 47-047-27).
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